The user surrounds their hand with Yin energy and solidify it with Yang energy. It will increase their Taijutsu power by a great amount, having enough energy to make a small crater into the earths surface. If a direct hit would be made, the chances of breaking bones are very likely.

The fist can also be used as a defensive tool as well. The technique can knock back any technique that is a rank of B or below. It can also block most other attacks as it's also a semi-indestructible material.